292 lines
7.0 KiB
C
292 lines
7.0 KiB
C
|
/*
|
||
|
|
* time.h
|
||
|
|
*
|
||
|
|
* Struct and function declarations for dealing with time.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _TIME_H_
|
||
|
|
#define _TIME_H_
|
||
|
|
|
||
|
|
#include "_ansi.h"
|
||
|
|
#include <sys/reent.h>
|
||
|
|
|
||
|
|
#define __need_size_t
|
||
|
|
#define __need_NULL
|
||
|
|
#include <stddef.h>
|
||
|
|
|
||
|
|
/* Get _CLOCKS_PER_SEC_ */
|
||
|
|
#include <machine/time.h>
|
||
|
|
|
||
|
|
#ifndef _CLOCKS_PER_SEC_
|
||
|
|
#define _CLOCKS_PER_SEC_ 1000
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define CLOCKS_PER_SEC _CLOCKS_PER_SEC_
|
||
|
|
#define CLK_TCK CLOCKS_PER_SEC
|
||
|
|
|
||
|
|
#include <sys/types.h>
|
||
|
|
|
||
|
|
_BEGIN_STD_C
|
||
|
|
|
||
|
|
struct tm
|
||
|
|
{
|
||
|
|
int tm_sec;
|
||
|
|
int tm_min;
|
||
|
|
int tm_hour;
|
||
|
|
int tm_mday;
|
||
|
|
int tm_mon;
|
||
|
|
int tm_year;
|
||
|
|
int tm_wday;
|
||
|
|
int tm_yday;
|
||
|
|
int tm_isdst;
|
||
|
|
#ifdef __TM_GMTOFF
|
||
|
|
long __TM_GMTOFF;
|
||
|
|
#endif
|
||
|
|
#ifdef __TM_ZONE
|
||
|
|
const char *__TM_ZONE;
|
||
|
|
#endif
|
||
|
|
};
|
||
|
|
|
||
|
|
clock_t _EXFUN(clock, (void));
|
||
|
|
double _EXFUN(difftime, (time_t _time2, time_t _time1));
|
||
|
|
time_t _EXFUN(mktime, (struct tm *_timeptr));
|
||
|
|
time_t _EXFUN(time, (time_t *_timer));
|
||
|
|
#ifndef _REENT_ONLY
|
||
|
|
char *_EXFUN(asctime, (const struct tm *_tblock));
|
||
|
|
char *_EXFUN(ctime, (const time_t *_time));
|
||
|
|
struct tm *_EXFUN(gmtime, (const time_t *_timer));
|
||
|
|
struct tm *_EXFUN(localtime,(const time_t *_timer));
|
||
|
|
#endif
|
||
|
|
size_t _EXFUN(strftime, (char *__restrict _s,
|
||
|
|
size_t _maxsize, const char *__restrict _fmt,
|
||
|
|
const struct tm *__restrict _t));
|
||
|
|
|
||
|
|
char *_EXFUN(asctime_r, (const struct tm *__restrict,
|
||
|
|
char *__restrict));
|
||
|
|
char *_EXFUN(ctime_r, (const time_t *, char *));
|
||
|
|
struct tm *_EXFUN(gmtime_r, (const time_t *__restrict,
|
||
|
|
struct tm *__restrict));
|
||
|
|
struct tm *_EXFUN(localtime_r, (const time_t *__restrict,
|
||
|
|
struct tm *__restrict));
|
||
|
|
|
||
|
|
_END_STD_C
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef __STRICT_ANSI__
|
||
|
|
char *_EXFUN(strptime, (const char *__restrict,
|
||
|
|
const char *__restrict,
|
||
|
|
struct tm *__restrict));
|
||
|
|
_VOID _EXFUN(tzset, (_VOID));
|
||
|
|
_VOID _EXFUN(_tzset_r, (struct _reent *));
|
||
|
|
|
||
|
|
typedef struct __tzrule_struct
|
||
|
|
{
|
||
|
|
char ch;
|
||
|
|
int m;
|
||
|
|
int n;
|
||
|
|
int d;
|
||
|
|
int s;
|
||
|
|
time_t change;
|
||
|
|
long offset; /* Match type of _timezone. */
|
||
|
|
} __tzrule_type;
|
||
|
|
|
||
|
|
typedef struct __tzinfo_struct
|
||
|
|
{
|
||
|
|
int __tznorth;
|
||
|
|
int __tzyear;
|
||
|
|
__tzrule_type __tzrule[2];
|
||
|
|
} __tzinfo_type;
|
||
|
|
|
||
|
|
__tzinfo_type *_EXFUN (__gettzinfo, (_VOID));
|
||
|
|
|
||
|
|
/* getdate functions */
|
||
|
|
|
||
|
|
#ifdef HAVE_GETDATE
|
||
|
|
#ifndef _REENT_ONLY
|
||
|
|
#define getdate_err (*__getdate_err())
|
||
|
|
int *_EXFUN(__getdate_err,(_VOID));
|
||
|
|
|
||
|
|
struct tm * _EXFUN(getdate, (const char *));
|
||
|
|
/* getdate_err is set to one of the following values to indicate the error.
|
||
|
|
1 the DATEMSK environment variable is null or undefined,
|
||
|
|
2 the template file cannot be opened for reading,
|
||
|
|
3 failed to get file status information,
|
||
|
|
4 the template file is not a regular file,
|
||
|
|
5 an error is encountered while reading the template file,
|
||
|
|
6 memory allication failed (not enough memory available),
|
||
|
|
7 there is no line in the template that matches the input,
|
||
|
|
8 invalid input specification */
|
||
|
|
#endif /* !_REENT_ONLY */
|
||
|
|
|
||
|
|
/* getdate_r returns the error code as above */
|
||
|
|
int _EXFUN(getdate_r, (const char *, struct tm *));
|
||
|
|
#endif /* HAVE_GETDATE */
|
||
|
|
|
||
|
|
/* defines for the opengroup specifications Derived from Issue 1 of the SVID. */
|
||
|
|
extern __IMPORT long _timezone;
|
||
|
|
extern __IMPORT int _daylight;
|
||
|
|
extern __IMPORT char *_tzname[2];
|
||
|
|
|
||
|
|
/* POSIX defines the external tzname being defined in time.h */
|
||
|
|
#ifndef tzname
|
||
|
|
#define tzname _tzname
|
||
|
|
#endif
|
||
|
|
#endif /* !__STRICT_ANSI__ */
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#include <sys/features.h>
|
||
|
|
|
||
|
|
#ifdef __CYGWIN__
|
||
|
|
#include <cygwin/time.h>
|
||
|
|
#endif /*__CYGWIN__*/
|
||
|
|
|
||
|
|
#if defined(_POSIX_TIMERS)
|
||
|
|
|
||
|
|
#include <signal.h>
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* Clocks, P1003.1b-1993, p. 263 */
|
||
|
|
|
||
|
|
int _EXFUN(clock_settime, (clockid_t clock_id, const struct timespec *tp));
|
||
|
|
int _EXFUN(clock_gettime, (clockid_t clock_id, struct timespec *tp));
|
||
|
|
int _EXFUN(clock_getres, (clockid_t clock_id, struct timespec *res));
|
||
|
|
|
||
|
|
/* Create a Per-Process Timer, P1003.1b-1993, p. 264 */
|
||
|
|
|
||
|
|
int _EXFUN(timer_create,
|
||
|
|
(clockid_t clock_id,
|
||
|
|
struct sigevent *__restrict evp,
|
||
|
|
timer_t *__restrict timerid));
|
||
|
|
|
||
|
|
/* Delete a Per_process Timer, P1003.1b-1993, p. 266 */
|
||
|
|
|
||
|
|
int _EXFUN(timer_delete, (timer_t timerid));
|
||
|
|
|
||
|
|
/* Per-Process Timers, P1003.1b-1993, p. 267 */
|
||
|
|
|
||
|
|
int _EXFUN(timer_settime,
|
||
|
|
(timer_t timerid, int flags,
|
||
|
|
const struct itimerspec *__restrict value,
|
||
|
|
struct itimerspec *__restrict ovalue));
|
||
|
|
int _EXFUN(timer_gettime, (timer_t timerid, struct itimerspec *value));
|
||
|
|
int _EXFUN(timer_getoverrun, (timer_t timerid));
|
||
|
|
|
||
|
|
/* High Resolution Sleep, P1003.1b-1993, p. 269 */
|
||
|
|
|
||
|
|
int _EXFUN(nanosleep, (const struct timespec *rqtp, struct timespec *rmtp));
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
#endif /* _POSIX_TIMERS */
|
||
|
|
|
||
|
|
#if defined(_POSIX_CLOCK_SELECTION)
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
int _EXFUN(clock_nanosleep,
|
||
|
|
(clockid_t clock_id, int flags, const struct timespec *rqtp,
|
||
|
|
struct timespec *rmtp));
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* _POSIX_CLOCK_SELECTION */
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
extern "C" {
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/* CPU-time Clock Attributes, P1003.4b/D8, p. 54 */
|
||
|
|
|
||
|
|
/* values for the clock enable attribute */
|
||
|
|
|
||
|
|
#define CLOCK_ENABLED 1 /* clock is enabled, i.e. counting execution time */
|
||
|
|
#define CLOCK_DISABLED 0 /* clock is disabled */
|
||
|
|
|
||
|
|
/* values for the pthread cputime_clock_allowed attribute */
|
||
|
|
|
||
|
|
#define CLOCK_ALLOWED 1 /* If a thread is created with this value a */
|
||
|
|
/* CPU-time clock attached to that thread */
|
||
|
|
/* shall be accessible. */
|
||
|
|
#define CLOCK_DISALLOWED 0 /* If a thread is created with this value, the */
|
||
|
|
/* thread shall not have a CPU-time clock */
|
||
|
|
/* accessible. */
|
||
|
|
|
||
|
|
/* Manifest Constants, P1003.1b-1993, p. 262 */
|
||
|
|
|
||
|
|
#define CLOCK_REALTIME (clockid_t)1
|
||
|
|
|
||
|
|
/* Flag indicating time is "absolute" with respect to the clock
|
||
|
|
associated with a time. */
|
||
|
|
|
||
|
|
#define TIMER_ABSTIME 4
|
||
|
|
|
||
|
|
/* Manifest Constants, P1003.4b/D8, p. 55 */
|
||
|
|
|
||
|
|
#if defined(_POSIX_CPUTIME)
|
||
|
|
|
||
|
|
/* When used in a clock or timer function call, this is interpreted as
|
||
|
|
the identifier of the CPU_time clock associated with the PROCESS
|
||
|
|
making the function call. */
|
||
|
|
|
||
|
|
#define CLOCK_PROCESS_CPUTIME_ID (clockid_t)2
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if defined(_POSIX_THREAD_CPUTIME)
|
||
|
|
|
||
|
|
/* When used in a clock or timer function call, this is interpreted as
|
||
|
|
the identifier of the CPU_time clock associated with the THREAD
|
||
|
|
making the function call. */
|
||
|
|
|
||
|
|
#define CLOCK_THREAD_CPUTIME_ID (clockid_t)3
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if defined(_POSIX_MONOTONIC_CLOCK)
|
||
|
|
|
||
|
|
/* The identifier for the system-wide monotonic clock, which is defined
|
||
|
|
* as a clock whose value cannot be set via clock_settime() and which
|
||
|
|
* cannot have backward clock jumps. */
|
||
|
|
|
||
|
|
#define CLOCK_MONOTONIC (clockid_t)4
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#if defined(_POSIX_CPUTIME)
|
||
|
|
|
||
|
|
/* Accessing a Process CPU-time CLock, P1003.4b/D8, p. 55 */
|
||
|
|
|
||
|
|
int _EXFUN(clock_getcpuclockid, (pid_t pid, clockid_t *clock_id));
|
||
|
|
|
||
|
|
#endif /* _POSIX_CPUTIME */
|
||
|
|
|
||
|
|
#if defined(_POSIX_CPUTIME) || defined(_POSIX_THREAD_CPUTIME)
|
||
|
|
|
||
|
|
/* CPU-time Clock Attribute Access, P1003.4b/D8, p. 56 */
|
||
|
|
|
||
|
|
int _EXFUN(clock_setenable_attr, (clockid_t clock_id, int attr));
|
||
|
|
int _EXFUN(clock_getenable_attr, (clockid_t clock_id, int *attr));
|
||
|
|
|
||
|
|
#endif /* _POSIX_CPUTIME or _POSIX_THREAD_CPUTIME */
|
||
|
|
|
||
|
|
#ifdef __cplusplus
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif /* _TIME_H_ */
|
||
|
|
|